Remove yield() SingleProducerSequencer
Update LiteBlockingWaitStrategy with getAndSet for signalNeeded flag
Remove LiteBlockingWaitStrategy (possibly to re-add later)
Remove JNA
Fix test
Mark for 3.2.1 release
Add LiteBlockingWaitStrategy back
Add experiment EventPoller class
Add performance test for EventPoller and fix small bug.  Allow for Exceptions to cascade out